Setting the points , turn the engine by hand untill the points are fully open on any cylinder , on peak of the dist cam , then with correct fealer gauge set the gap/ The gauge should slide through & not open the points any more but not be loose, You can adjust the points by loosening the points securing screw , there is usually a little nick in the points & dist base plate that you can put a flat bladed screw driver into open & close the points gap. Then tighten securing screw & recheck the gap. I can't remember what the gap for a Holden is , too many years since I worked on a Holden motor,
P1010136Iholden points_LI.jpg The blue arrow points to were you use the screw driver to adjust the gap.
Also check that earth wire is not broken red arrow. I looked up the gap for a Holden 186 motor it gave between 12 -16 thou. so 14 - 15 would be good.54ca95df2bc00_-_kettering-lede-1209.jpgI know this is a drg of a 4 cyl dist but you can see how the points are on top of the dist cam. I could not find one for a Holden motor


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